My .bashrc file

.bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

export BASH_CONF="bashrc"

# Some useful colours
hash _c_define > /dev/null 2>&1
if [[ $? -eq 0 ]]; then
	. _c_define
elif [[ -f "$HOME/bin/_c_define" ]]; then
	source "$HOME/bin/_c_define"
fi

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
	debian_chroot=$(cat /etc/debian_chroot)
fi

# Alias definitions.
if [ -f ~/.bash_aliases ]; then
	. ~/.bash_aliases
fi

# enable color support of ls and also add handy aliases
if [ "$TERM" != "dumb" ]; then
	hash dircolors > /dev/null 2>&1
	if [ $? -eq 0 ]; then
		eval "`dircolors -b`"
	fi

	ls --color=auto > /dev/null 2>&1
	if [ $? -eq 0 ]; then
		alias ls='ls --color=auto'
	else
		alias ls='ls -G'
	fi
fi

complete -o default -o nospace -F _git g

hash ack-grep > /dev/null 2>&1
ack=$?
hash ack > /dev/null 2>&1
if [[ $? -ne 0 && $ack -eq 0 ]]; then
	alias ack='ack-grep'
fi

hash vimpager > /dev/null 2>&1
if [[ $? -eq 0 ]]; then
	alias vp='vimpager'

	# Use vim for the pager
	export PAGER=`type -p vimpager`
	export GIT_PAGER=less
	alias less=$PAGER
	alias zless=$PAGER
fi

# general environment
export CFLAGS='-O0 -g'

if [[ -d "/usr/lib/jvm/java-6-sun" ]]; then
	export JAVA_HOME="/usr/lib/jvm/java-6-sun"
fi

if [[ -d "$HOME/bin" ]]; then
    export PATH="$HOME/bin:${PATH}"
fi

# other path locations
if [[ -d "/usr/local/sbin" ]]; then
	export PATH="/usr/local/sbin:${PATH}"
fi

if [[ -d "/usr/local/bin" ]]; then
	export PATH="/usr/local/bin:${PATH}"
fi

if [[ -d "/usr/local/percona/bin" ]]; then
	export PATH="${PATH}:/usr/local/percona/bin"
fi

if [[ -d "/usr/local/heroku/bin" ]]; then
	export PATH="${PATH}:/usr/local/heroku/bin"
fi

if [[ -s "$HOME/.rvm/scripts/rvm" ]]; then
    export rvmsudo_secure_path=0
    source "$HOME/.rvm/scripts/rvm"
fi

# chruby
if [[ -f /usr/local/share/chruby/chruby.sh ]]; then
    source /usr/local/share/chruby/chruby.sh
    chruby ruby-2.1
fi


# android development
if [[ -d "/usr/local/share/android/tools" ]]; then
	export PATH="${PATH}:/usr/local/share/android/tools"
fi

if [[ -d "/usr/local/share/android/platform-tools" ]]; then
	export PATH="${PATH}:/usr/local/share/android/platform-tools"
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if [ -f /etc/bash_completion ]; then
	. /etc/bash_completion
fi

# and for Homebrew
hash brew > /dev/null 2>&1
if [ $? -eq 0 ]; then
	if [ -f $(brew --prefix)/etc/bash_completion ]; then
		. $(brew --prefix)/etc/bash_completion
	fi
fi

# Autojump configuration
hash brew > /dev/null 2>&1
if [[ $? -eq 0 ]]; then
	if [ -f `brew --prefix`/etc/autojump ]; then
		  . `brew --prefix`/etc/autojump
	fi
fi

# NVM
[[ -s "$HOME/.nvm/nvm.sh" ]] && source "$HOME/.nvm/nvm.sh"

hash brew > /dev/null 2>&1
if [[ $? -eq 0 ]]; then
	if [ -f `brew --prefix nvm`/nvm.sh ]; then
		export NVM_DIR=~/.nvm
		. `brew --prefix nvm`/nvm.sh
	fi
fi

# general compiler optimisations
export MAKEOPTS="-j3"

# history
export HISTSIZE=10000
export HISTFILESIZE=10000
export HISTCONTROL=ignoreboth

if [ ! -f $HOME/.bash_history_eternal ]; then
	touch $HOME/.bash_history_eternal
fi

export HISTTIMEFORMAT="%s "
#PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND;}"'echo $$ $USER \
		"$(history 1)" >> ~/.bash_history_eternal'
chmod go-rwx ~/.bash_history_eternal

# cgroup - TTY based task grouping
if [[ -d $HOME/.cgroups ]]; then
	if [ "$PS1" ] ; then
		mkdir -p -m 0700 /dev/cgroup/cpu/user/$$ > /dev/null 2>&1
		echo $$ > /dev/cgroup/cpu/user/$$/tasks
		echo "1" > /dev/cgroup/cpu/user/$$/notify_on_release
	fi
fi

# Make sure an SVN editor is set up (only required for MacOS)
export SVN_EDITOR="vim"
export EDITOR="vim"

# Fancy git branch in PS1
hash __git_ps1 > /dev/null 2>&1
if [[ $? -eq 0 ]]; then
	gitps1="\$(__git_ps1 \"\[$c_normal\]:\[$c_cyan\]%s\[$c_normal\]\")"
else
	gitps1=""
fi

hash whoami > /dev/null 2>&1
if [[ `whoami` == "root" ]]; then
	user_color='\['$c_magenta'\]'
elif [[ $c_defined != 0 ]]; then
	user_color=""
else
	user_color='\['$c_yellow'\]'
fi

case "$TERM_PROGRAM" in
	iTerm.app)
		PS1='${debian_chroot:+($debian_chroot)}'$user_color'\u\[\e[0;1m\]@\[\e[32m\]\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]'$gitps1'\$ '
		;;
	*)
		PS1='${debian_chroot:+($debian_chroot)}'$user_color'\u\[\e[0;1m\]@\[\e[32m\]\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]'$gitps1'\$ '
		;;
esac

# Show git status
if [ -f "/proc/cpuinfo" ]; then
	cores=$(grep -c ^processor /proc/cpuinfo 2> /dev/null)
	[ "$cores" -eq "0" ] && cores=1
	threshold="${cores:-1}.0"
	threshold="1.0"
else
	threshold="1.0"
fi

load=$(uptime | sed -E 's/^.*: ([0-9]\.[0-9]{2}),?.*$/\1/g')
over=$(echo "$load < $threshold" | bc)

if [[ "$over" -eq 1 && -d .git ]]; then
	git st
else
	uptime
fi

# custom config for dev vm
if [[ -f ~/.bash_custom ]]; then
    . ~/.bash_custom
fi

PATH="/Users/srdan/perl5/bin${PATH+:}${PATH}"; export PATH;
PERL5LIB="/Users/srdan/perl5/lib/perl5${PERL5LIB+:}${PERL5LIB}"; export PERL5LIB;
PERL_LOCAL_LIB_ROOT="/Users/srdan/perl5${PERL_LOCAL_LIB_ROOT+:}${PERL_LOCAL_LIB_ROOT}"; export PERL_LOCAL_LIB_ROOT;
PERL_MB_OPT="--install_base \"/Users/srdan/perl5\""; export PERL_MB_OPT;
PERL_MM_OPT="INSTALL_BASE=/Users/srdan/perl5"; export PERL_MM_OPT;

# tabtab source for serverless package
# uninstall by removing these lines or running `tabtab uninstall serverless`
[ -f /usr/local/lib/node_modules/serverless/node_modules/tabtab/.completions/serverless.bash ] && . /usr/local/lib/node_modules/serverless/node_modules/tabtab/.completions/serverless.bash
# tabtab source for sls package
# uninstall by removing these lines or running `tabtab uninstall sls`
[ -f /usr/local/lib/node_modules/serverless/node_modules/tabtab/.completions/sls.bash ] && . /usr/local/lib/node_modules/serverless/node_modules/tabtab/.completions/sls.bash